feat: custom type json image

docs/api/_sidebar.md

@@ -4,6 +4,7 @@
   * [获取当前页面栈](get-current-pages.md)
   * [动画帧](animation-frame.md)
   * [Path2D](path2d.md)
+  * [Image](image.md)
 * 基础
   * [环境变量](env.md)
   * [事件总线](event-bus.md)

docs/api/image.md

+## Image
+
+<!-- CUSTOMTYPEJSON.Image.description -->
+
+<!-- CUSTOMTYPEJSON.Image.extends -->
+
+<!-- CUSTOMTYPEJSON.Image.param -->
+
+
+
+<!-- CUSTOMTYPEJSON.Image.compatibility -->
+
+<!-- CUSTOMTYPEJSON.Image.example -->
+